US3222046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral spring construction for speed governors
Assignee: Individual
•
Filing: 1962-08-27
•
Granted: 1965-12-07
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Robert H Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
G; G05; G05D; G05D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A MECHANISM HAVING AN ELEMENT REQUIRING SPRING MEANS TO PRODUCE FORCES BIASING SAID ELEMENT, THE COMBINATION OF: MEANS COMPRISING A SPIRAL SPRING ACTING ON SAID ELEMENT TO PRODUCE SAID BIASING FORCES, SWINGABLE MEANS CONNECTED AT SUBSTANTIALLY ONE END THEREOF TO A PORTION OF SAID SPIRAL SPRING AND ACTING IN A DIRECTION TO CONSTRAIN SAID PORTION FROM MOVING IN A DIRECTION OPPOSITE TO THE DIRECTION OF SAID BIASING FORCE DUE TO THE REACTION THEREOF FOR PREVENTING AT LEAST THE OUTER COIL OF SAID SPIRAL SPRING FROM CONTACTING THE OTHER COILS THEREOF AS SAID SPRING IS WOUND, AND SAID SWINGABLE MEANS INCLUDING MEANS CONNECTED AT SUBSTANTIALLY THE OTHER END THEREOF TO A FIXED SUPPORT.
Claim 2
Dependent Claim
113 words
IN A MECHANISM HAVING AN ELEMENT REQUIRING SPRING MEANS TO PRODUCE FORCES BIASING SAID ELEMENT, THE COMBINATION OF: MEANS COMPRISING A SPIRAL SPRING ACTING ON SAID ELEMENT TO PRODUCE SAID BIASING FORCES, SWINGABLE MEANS CONNECTED AT SUBSTANTIALLY ONE END THEREOF TO A PORTION OF SAID SPIRAL SPRING AND ACTING IN A DIRECTION TO CONSTRAIN SAID PORTION FROM MOVING IN A DIRECTION OPPOSITE TO THE DIRECTION OF SAID BIASING FORCE DUE TO THE REACTION THEREOF FOR PREVENTING AT LEAST THE OUTER COIL OF SAID SPIRAL SPRING FROM CONTACTING THE OTHER COILS THEREOF AS SAID SPRING IS WOUND, AND SAID SWINGABLE MEANS INCLUDING MEANS CONNECTED AT SUBSTANTIALLY THE OTHER END THEREOF TO A FIXED SUPPORT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |